Write the first five terms of the sequence described.Arithmetic, with a1 = 21, d = 7

A. 21, 7, 56, 84, 112
B. 21, 28, 35, 42, 49
C. 7, 28, 49, 70, 91
D. 21, 7, 35, 42, 49


Answer: B

Mathematics

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A.

B.

C.

D.

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A. 0 B. 1 C. 0.0005 D. 5

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Does the system have a unique solution, no solution, or many solutions?

A. No solution B. A unique solution C. Many solutions

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Write the partial fraction decomposition of the rational expression. 

A.  +  + 
B.  +  - 
C.  -  - 
D.  -  + 

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